| Publication Type: | Journal Article |
| Year of Publication: | 1969 |
| Authors: | C. F. Cowan |
| Journal: | Journal of the Society for the Bibliography of Natural History |
| Volume: | 5 |
| Pagination: | 137-140 (April Issue) |
| Publication Type: | Journal Article |
| Year of Publication: | 1969 |
| Authors: | C. F. Cowan |
| Journal: | Journal of the Society for the Bibliography of Natural History |
| Volume: | 5 |
| Pagination: | 137-140 (April Issue) |